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Country Code Decoder

NPA Codes in USA starting with 5

NPACountryTime Difference (From GMT)StateState Abbrv.Service DateComments
500USA Personal Communication Services   
501USA-6ArkansasAR  
502USA-5KentuckyKY  
503USA-8OregonOR  
504USA-6LouisianaLA  
505USA-7New MexicoNM  
507USA-6MinnesotaMN  
508USA-5MassachusettsMA  
509USA-8WashingtonWA  
510USA-8CaliforniaCA02 Sep 1991 
512USA-6 to -7TexasTX  
513USA-5OhioOH  
515USA-6IowaIA  
516USA-5New YorkNY  
517USA-5MichiganMI  
518USA-5New YorkNY  
520USA-7ArizonaAZ19 Mar 1995 
530USA-8CaliforniaCA01 Nov 1997 
531USA-6NebraskaNE26 Jun 2010 
534USA-6WisconsinWI17 Oct 2009 
539USA-6OklahomaOK07 Aug 2010 
540USA-5VirginiaVA15 Jul 1995 
541USA-8OregonOR05 Nov 1995 
551USA-5New JerseyNJ01 Jul 2001 
555USA Not Available  Used by Hollywood ...
557USA-5MissouriMO Suspended
559USA-8CaliforniaCA14 Nov 1998 
561USA-5 to -6FloridaFL13 May 1996 
562USA-8CaliforniaCA25 Jan 1997 
563USA-6IowaIA25 Mar 2001 
564USA-8WashingtonWA28 Aug 2017 
567USA-5OhioOH01 Dec 2001 
570USA-5PennsylvaniaPA05 Dec 1998 
571USA-5VirginiaVA01 Mar 2000 
573USA-5MissouriMO07 Jan 1996 
574USA-5IndianaIN15 Jan 2002 
575USA-7New MexicoNM07 Oct 2007 
580USA-6OklahomaOK01 Nov 1997 
585USA-5New YorkNY15 Nov 2001 
586USA-5MichiganMI22 Sep 2001 

See World Zone 1 for explanation of "NPA"

Where shown:

Time Diff. is with respect to GMT (UCT)
Suspended
Pending
Proposed
indicate the code is not in use: the "Service Date" has been delayed or not set
Service Date is the date code becomes (or became) effective. If no date is shown, the code was introduced before 1995
 

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Database Updated: 22 Sep 2017

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